Risultati per: Come si esegue la raccolta delle urine delle 24 ore

Circulation, Volume 148, Issue Suppl_1, Page A110-A110, November 6, 2023. Background:Extracorporeal cardiopulmonary resuscitation (ECPR) is an emerging method that improve survival after refractory VF/VT cardiac arrest. Neuron-specific enolase (NSE) and S-100B are used to predict neurological outcome; however, it is unclear the reliability and earliest time point during ECPR.Methods:Single-center, retrospective cohort study included OHCA patients who underwent ECPR at the University of Minnesota between December 2015 and January 2023. NSE and S100B levels were obtained at admission, at 12 and 24h after ROSC in a total of 361 unconscious patients. The primary outcome was poor neurological outcome (defined as CPC 3-5) at hospital discharge. We evaluated the optimal cut-off levels for NSE and S100B by maximizing the Youden index and ROC analyses for poor clinical results. Finally, NSE and S100B at 12h and 24h were added to a multivariable logistic model (age, sex, bystander and witnessed).Results:Of 361 patients, 170 survived to hospital admission. Of these 85% (145/170) survived neurologically favorable. Mean (SD) NSE (ng/mL) values were significantly higher in the CPC 3-5 group at every time point, 52.3 (53) vs 21.1 (12) on admission; 92.8 (92) vs 20 (10) after 12h; 107.1(94.4) vs 21.5 (12.9) after 24h; p

Circulation, Volume 148, Issue Suppl_1, Page A12182-A12182, November 6, 2023. Background:Presence of cardiac and non-cardiac comorbidities is reported to affect success of catheter ablation (CA) of atrial fibrillation (AF), however their predictive value in 1 and 2 year AF free survival is not reported.Research Questions:Which cardiac and non-cardiac comorbidities are most useful in predicting AF free survival after a single CA for paroxysmal and persistent AF.Goals:Create a model to identify potential risk factors that may reduce the long term success of catheter ablation for patients with AF to allow for risk modificationMethods:We included 1435 patients with symptomatic AF undergoing first time CA in 1 of 8 Hospitals of Northwell Health and follow ups for at least 24 months ablation. Baseline echocardiographic and laboratory data were extracted from our common EMR, and clinical outcomes were determined after manual review of the 6, 12 and 24 month visit. Baseline patient characteristics included age, gender, BMI, diagnoses, laboratory and echocardiographic measures used in a stepwise estimation logistic regression model using STATA /IC 16.1.Results:From our patient cohort (age 67.1±10.4, 565 female, 645 persistent), 28% of patients had AF recurrence within the 1st year, and 32.5% within 2 years. Multivariate analysis identified persistent AF as the only independent risk factor for AF recurrence within 12 months (P=.001). For 24-month recurrence the independent predictors were LVEF (p=.014), Diabetes Mellitus (p=.045), cardioversions prior to ablation (DCCV) (p=.001), and pulmonary disease (p=.001). Energy modality was not a significant predictor of AF recurrence. Hypertension (p=.008) was found to be negatively associated with AF recurrence. Our prediction model (Figure 1) for AF recurrence 24 months post-CA produced an ROC curve of 0.8048 and was 77% accurate.Conclusion:The presence of baseline comorbidities implies that such comorbidities, rather than procedural failure, are mostly related with AF recurrence after 1 year.

Circulation, Volume 148, Issue Suppl_1, Page A209-A209, November 6, 2023. Background:Progressive hypoxic brain injury after cardiac arrest can affect serum osmolality (SOsm) and urine osmolality (UOsm) in out-of-hospital cardiac arrest (OHCA) patients. This study aimed to examine the association between the ratios of UOsm to SOsm (USRs) within 3 days after return of spontaneous circulation (ROSC) and neurological outcomes in OHCA patients.Methods:The present study was prospective observational study and included OHCA patients with targeted temperature management (TTM) at Chonnam National University Hospital in Gwangju, Korea, between January 2016 and December 2022. We collected SOsm and UOsm at admission and at 24 h, 48 h, and 72 h after ROSC. We assessed the predictive performance of USRs to determine neurological outcome at discharge.Results:A total of 319 patients were included. UOsm levels and USRs at admission and 24 h, 48 h, and 72 h after ROSC in patients with poor outcome were lower than those in patients with good outcome. In multivariable analysis, the USRs at 24 h (odd ratio [OR], 0.363; 95% confidence interval [CI], 0.221-0.594), 48 h (OR, 0.451; 95% CI, 0.268-0.761), and 72 h (OR, 0.559; 95% CI, 0.357-0.875) after ROSC were independently associated with poor neurological outcome at discharge. The area under the receiver operating characteristic curves of USRs at admission and 24 h, 48 h, and 72 h after ROSC for predicting neurological outcome at discharge were 0.615 (95% CI, 0.559-0.669), 0.711 (95% CI, 0.658-0.760), 0.724 (95% CI, 0.671-0.772), and 0.751 (95% CI, 0.699-0.797).Conclusions:The USRs within 3 days of ROSC were associated with poor neurologic outcome at discharge in OHCA patients.

Circulation, Volume 148, Issue Suppl_1, Page A17326-A17326, November 6, 2023. Introduction:Kidney dysfunction frequently affects heart failure (HF) patients with left ventricular assist device (LVAD) support and is linked to unfavorable outcomes. However, the effects of LVAD support on parenchymal kidney health are uncertain. We performed a pilot study on urine exosome proteomics in LVAD recipients as they offer a non-invasive glimpse into kidney cellular states.Methods:We collected urine samples from 33 patients who underwent LVAD (HeartMate III) surgery between 01/2022-02/2023. Urine exosomes were isolated from the samples collected before the operation and on the 7th day after surgery. The exosome fraction underwent untargeted proteomics using LC-MS/MS and iBAQ quantification. Our investigation focused on identifying and studying kidney-enhanced proteins.Results:The exosomes isolated were verified by canonical exosome proteins (CD63, Hsp70) and TEM imaging (Fig.A,B), with 82.7% of exosomes between 51-120 nm (Fig.C). Over 7K strict genes were identified with an average of 1,150 proteins (Fig.D,E). In GO analysis, exosomes were the primary cellular compartment represented (Fig.F). A total of 176 kidney-enhanced proteins were present in >50% of samples. Differential expression analysis revealed 8 proteins with increased expression on the 7thday after surgery with FDR

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Objective
There are several equations for estimating the glomerular filtration rate (GFR), and each method has its limitations. We compared various estimated GFR (eGFR) equations with 24 hours urine creatinine clearance (24u-CCr).

Design
Sample analysis of randomised controlled trial participants.

Setting and participants
We compared the mean 24u-CCr values measured 2–3 times for 211 patients with eGFR values calculated using the following equations: isotope dilution mass spectrometry-Modification of Diet in Renal Disease (IDMS-MDRD) equation, Chronic Kidney Disease-Epidemiology Collaboration (CKD-EPI) equation, equations for Koreans (KOR-IDMS-MDRD and KOR-CKD-EPI) and full age spectrum equation.

Outcome measures
Performance of various creatinine-based eGFR equations, including those with Korean coefficients, compared with the results of the 24u-CCr.

Results
IDMS-MDRD showed the best overall correlation with the 24u-CCr (R=0.949, p

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